222179 has 4 divisors (see below), whose sum is σ = 227640. Its totient is φ = 216720.

The previous prime is 222163. The next prime is 222193. The reversal of 222179 is 971222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222179 - 2⁴ = 222163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (56910).

2²²²¹⁷⁹ is an apocalyptic number.

222179 is a deficient number, since it is larger than the sum of its proper divisors (5461).

222179 is an equidigital number, since it uses as much as digits as its factorization.

222179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its digits is 504, while the sum is 23.

The square root of 222179 is about 471.3586744720. The cubic root of 222179 is about 60.5667591736.

The spelling of 222179 in words is "two hundred twenty-two thousand, one hundred seventy-nine".